Technical Specifications – Lug Style Butterfly Valves
|
Product Name |
Lug Style Butterfly Valve |
Design Type |
Wafer Lugged Body, Quarter-Turn Rotary Motion |
Size Range |
DN100 (4 Inch), 100 mm |
Pressure Ratings |
PN 10 / PN 16 / PN 25 |
Body Material Options |
Cast Iron (CI), Ductile Iron (DI), Cast Steel (WCB), Stainless Steel (SS304 / SS316) |
Disc Material Options |
Ductile Iron (DI) with Epoxy / ENP coating, Stainless Steel SS304, SS316 (CF-8M), Bronze / Aluminium Bronze (optional) |
Seat / Lining Material |
EPDM, Nitrile Rubber (NBR), Natural Rubber, Viton (on request) |
Stem / Shaft Material |
Stainless Steel 410 / 420 / 431 / 304 / 316 depending on application |
End Connection |
Lug Type with drilled holes to suit PN 10/16/25 flanges (EN 1092 / ASME Class 150) |
Face-to-Face Dimension |
As per ISO 5752, EN 558, API 609 |
Design Standards |
API 609, BS EN 593, MSS-SP-67 |
Testing Standards |
API 598 / EN 12266 Part-1 |
Leakage Class |
Bubble-tight shut-off, as per EN 12266 |
Flow Direction |
Bi-directional |
Operation Modes |
Manual Lever (up to DN200), Worm Gear / Handwheel (DN250 and above), Pneumatic Actuator, Electric Actuator |
Coating / Finish |
Fusion Bonded Epoxy (FBE) / Polyurethane Coated / Painted for corrosion resistance |
Temperature Range |
– EPDM: -10°C to +120°C – NBR: -10°C to +80°C – Viton: up to +200°C |
Working Media |
Potable Water, Raw Water, Wastewater, Air, Oil, Gas, Slurry, Mild Chemicals |
Applications |
Water Treatment Plants, HVAC, Chemical Processing, Power Plants, Food & Beverage, Oil & Gas, General Industry |
Mounting Compatibility |
ISO 5211 top flange for direct actuator mounting |
Special Features |
Replaceable seat design, Low torque operation, High strength body, Easy maintenance, Long service life |
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